135M+

users already sign in to Office 365 with Azure Active Directory

90%

of Fortune 500 companies have data in Microsoft Graph

1.1B

identities authenticated each year

Secure your application​

Build secure authentication into your application and give your customers who use a Microsoft personal or work account the advanced security and access controls. Comply with existing IT policies and allow enterprises to use multi-factor authentication, identity protection, conditional access, and more.

Create powerful apps

Connect to Microsoft Graph to build apps, services, or workflows for Microsoft 365 organizations and consumers. Build on a platform that gives you access to powerful data and functionality through a single endpoint. Streamline new user onboarding, assign managers, grant permissions to documents, add users to roles, and more.